95 lines
3.0 KiB
OpenEdge ABL
95 lines
3.0 KiB
OpenEdge ABL
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/*
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Alias.p contains the function prototypes for alias.c, alias_db.c,
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alias_util.c and alias_ftp.c (as well as any future add-ons). It
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is intended to be used only within the aliasing software. Outside
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world interfaces are defined in alias.h
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This software is placed into the public domain with no restrictions
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on its distribution.
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Initial version: August, 1996 (cjm)
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*/
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#define NULL_PTR 0
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/* General utilities */
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u_short InternetChecksum(u_short *, int);
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u_short IpChecksum(struct ip *);
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u_short TcpChecksum(struct ip *);
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/* Data access utilities */
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int StartPoint(struct in_addr, u_short, int);
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u_short GetNewPort();
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int SeqDiff(u_long, u_long);
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void ShowAliasStats();
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/* Internal data access */
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void CleanupAliasData();
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void IncrementalCleanup();
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char * FindLink1(struct in_addr, struct in_addr, u_short, u_short, int);
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char * FindLink2(struct in_addr, u_short, u_short, int);
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void DeleteLink(char *);
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char * AddLink(struct in_addr, struct in_addr, u_short, u_short,
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u_short, int);
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/* External data search */
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char * FindIcmpIn(struct in_addr, u_short, u_short);
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char * FindIcmpOut(struct in_addr, struct in_addr, u_short, u_short);
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char * FindFragmentIn1(struct in_addr);
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char * FindFragmentIn2(struct in_addr);
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char * FindUdpIn(struct in_addr, u_short, u_short);
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char * FindUdpOut(struct in_addr, struct in_addr, u_short, u_short);
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char * FindTcpIn(struct in_addr, u_short, u_short);
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char * FindTcpOut(struct in_addr, struct in_addr, u_short, u_short);
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/* External data access/modification */
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void GetIcmpData(char *, u_short, u_short, u_long *);
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void SetIcmpData(char *, u_short, u_short, u_long);
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void GetFragmentAddr(char *, u_short, u_char, struct in_addr *);
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void SetFragmentData(char *, u_short, u_char, struct in_addr);
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void SetStateIn(char *, int);
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void SetStateOut(char *, int);
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int GetStateIn(char *);
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int GetStateOut(char *);
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struct in_addr GetOriginalAddress(char *);
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struct in_addr GetDestAddress(char *);
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struct in_addr GetAliasAddress();
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u_short GetOriginalPort(char *);
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u_short GetDestPort(char *);
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u_short GetAliasPort(char *);
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void SetAckModified(char *);
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int GetAckModified(char *);
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int GetDeltaAckIn(struct ip *, char *);
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int GetDeltaSeqOut(struct ip *, char *);
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void AddSeq(struct ip *, char *, int);
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/* Tcp specfic routines */
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void TcpMonitorIn(struct ip *, char *);
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void TcpMonitorOut(struct ip *, char *);
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void HandleFtpOut(struct ip *, char *);
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void NewFtpPortCommand(struct ip *, char *, struct in_addr, u_short);
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/* Protocal specific packet aliasing routines */
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void IcmpAliasIn1(struct ip *);
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void IcmpAliasIn2(struct ip *);
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void IcmpAliasIn(struct ip *);
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void IcmpAliasOut(struct ip *);
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void IcmpAliasOut1(struct ip *);
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void UdpAliasIn(struct ip *);
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void UdpAliasOut(struct ip *);
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void TcpAliasIn(struct ip *);
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void TcpAliasOut(struct ip *);
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/* Fragment handling */
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void FragmentIn(struct ip *);
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void FragmentOut(struct ip *);
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/* Outside world interfaces */
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void PacketAliasIn(struct ip *);
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void PacketAliasOut(struct ip *);
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void SetAliasAddress(struct in_addr);
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void InitAlias();
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void InitAliasLog();
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